PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22027Click,clock

Waltham Clock Co Inc · NSN 6645-00-144-4585 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-144-4585 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-144-4585. Primary manufacturer part number: 22027.
Features
  • Click,clock — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Waltham Clock Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Click,clock, cataloged under National Stock Number 6645-00-144-4585, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Clock Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameClick,clock
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-144-4585
Primary Part Number22027
Item NameClick,clock
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1680-00-347-0386 INTERCHANGEABLE
Worm,actuator
5905-00-477-9243308-0241-00 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Tektronix, Inc.
5340-00-598-2891856226 INTERCHANGEABLE
Clip,retaining
Dana Off Highway Products, Llc
5340-00-652-0358 INTERCHANGEABLE
Clip,retaining
5950-01-124-9672278-0430-160 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-01-208-3201 INTERCHANGEABLE
Plug,tube Repair
Cross-Reference Index
Part NumberManufacturer
22027 Waltham Clock Co Inc (USA)
Related Parts
1680-00-347-0386INTERCHANGEABLE
WORM,ACTUATOR
5905-00-477-9243INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
308-0241-00
5340-00-598-2891INTERCHANGEABLE
CLIP,RETAINING
856226
5340-00-652-0358INTERCHANGEABLE
CLIP,RETAINING
5950-01-124-9672INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0430-160
4730-01-208-3201INTERCHANGEABLE
PLUG,TUBE REPAIR

Frequently Asked Questions

What is NSN 6645-00-144-4585?

NSN 6645-00-144-4585 is a Click,clock, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-144-4585?

NSN 6645-00-144-4585 has 1 cross-referenced part number: 22027 (Waltham Clock Co Inc).

What NSN replaces 6645-00-144-4585?

There are 6 known substitutes for 6645-00-144-4585: 1680-00-347-0386, 5905-00-477-9243, 5340-00-598-2891 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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